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    dl.topic_list dt {
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      logo
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    <div id="nav">
      <ul>
        <li class="nav_li"><a href="#nav1" class="nav_link">顶部导航1</a></li>
        <li class="nav_li"><a href="#nav2" class="nav_link">顶部导航2</a></li>
        <li class="nav_li"><a href="#nav3" class="nav_link">顶部导航3</a></li>
        <li class="nav_li"><a href="#nav4" class="nav_link">顶部导航4</a></li>
        <li class="nav_li"><a href="#nav5" class="nav_link">顶部导航5</a></li>
        <li class="nav_li"><a href="#nav6" class="nav_link">顶部导航6</a></li>
        <li class="nav_li"><a href="#nav7" class="nav_link">顶部导航7</a></li>
        <li class="nav_li"><a href="#nav8" class="nav_link">顶部导航8</a></li>
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      <img src="01.jpg" alt="">
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    <div id="content">
      <div id="left">
        <dl class="topic_list">
          <dt>校园新闻</dt>
          <dd><a href="#link1" class="topic_link">测试超链接1</a></dd>
          <dd><a href="#link2" class="topic_link">测试超链超链接2</a></dd>
          <dd><a href="#link3" class="topic_link">测试超链超链接3</a></dd>
          <dd><a href="#link4" class="topic_link">暗示法沙发沙发垫接4</a></dd>
          <dd><a href="#link5" class="topic_link">啊嘎嘎嘎嘎阿鹅千瓦时发5</a></dd>
          <dd><a href="#link6" class="topic_link">测试超链接6</a></dd>
          <dd><a href="#link7" class="topic_link">测试超链接7</a></dd>
        </dl>
      </div>
      <div id="center">
        <dl class="topic_list">
          <dt>校园新闻</dt>
          <dd><a href="#link1" class="topic_link">测试超链接1</a></dd>
          <dd><a href="#link2" class="topic_link">测试超链超链接2</a></dd>
          <dd><a href="#link3" class="topic_link">测试超链超链接3</a></dd>
          <dd><a href="#link4" class="topic_link">暗示法沙发沙发垫接4</a></dd>
          <dd><a href="#link5" class="topic_link">啊嘎嘎嘎嘎阿鹅千瓦时发5</a></dd>
          <dd><a href="#link6" class="topic_link">测试超链接6</a></dd>
          <dd><a href="#link7" class="topic_link">测试超链接7</a></dd>
        </dl>
      </div>
      <div id="right">
        <dl class="topic_list">
          <dt>校园新闻</dt>
          <dd><a href="#link1" class="topic_link">测试超链接1</a></dd>
          <dd><a href="#link2" class="topic_link">测试超链超链接2</a></dd>
          <dd><a href="#link3" class="topic_link">测试超链超链接3</a></dd>
          <dd><a href="#link4" class="topic_link">暗示法沙发沙发垫接4</a></dd>
          <dd><a href="#link5" class="topic_link">啊嘎嘎嘎嘎阿鹅千瓦时发5</a></dd>
          <dd><a href="#link6" class="topic_link">测试超链接6</a></dd>
          <dd><a href="#link7" class="topic_link">测试超链接7</a></dd>
        </dl>
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